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• Ch. Premawardhena, N. First Language Interference in Second Language Learning: a closer look at challenges in TESL in Sri Lanka, 12th International Conference on American and English Literature and Language, Krakow, Poland 27-29 April 2011.

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• Ch. Premawardhena, N. Linguistic borrowing in a changing world: a contrastive analysis of English loan words in Sinhala and German. International Symposium, Sabaragamuwa University of Sri Lanka, July 2006, p 135